General
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Target
https://download.cnet.com
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Sample
250125-v1tf3avlen
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://download.cnet.com
Resource
win10v2004-20241007-en
Malware Config
Extracted
https://lets-compress-tool.com/update.txt
Extracted
lumma
https://toppyneedus.biz/api
Targets
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Target
https://download.cnet.com
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Lumma family
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UAC bypass
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1